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Rhubarb Marmalade

A preserve made from rhubarb, sugar, lemon rind and juice, sealed with brandy.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Rhubarb Marmalade

Why it works: Rhubarb and lemon match in chemistry and in kitchens. They rank in the top 7% of all ingredient pairs, and cooks put them together in 546 recipes. Both carry acetic acid, which smells sour, vinegar. The science ↓

Rhubarb Marmalade

Ingredients

Directions

Prepare

  1. Peel and slice the rhubarb.

  2. In a preserving kettle, combine the rhubarb with an equal weight of sugar and the grated rind and juice of one lemon for each pound of rhubarb.

Cook

  1. Stir often to prevent burning and remove any scum that rises.

  2. Boil the mixture until it jellies when cooled on a saucer.

Jar and store

  1. Once partly cooled, transfer the marmalade into glasses or glass jars.

  2. When completely cool, place a round of paper dipped in brandy on top of each jar and seal them airtight.

  3. Store the marmalade in a cool, dark place.

Recipe from a historical cookbook (Internet Archive).

Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.

Photo for illustrative purposes only · Contact us to use it

Explore the science

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.

  1. Rhubarb + lemontop 7% of all pairs
    Smell alikestrong
    Cooked together546 recipes

    Shared aroma: acetic acid (sour, vinegar).

  2. Sugar + lemontop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

    Shared aroma: 2-nonenal (fatty, green).

  3. Rhubarb + sugartop 18% of all pairs
    Smell alikemoderate
    Cooked together1,852 recipes

    Shared aroma: 1-penten-3-one (fish, pungent).

  4. Sugar + brandytop 19% of all pairs
    Smell alikelow
    Cooked together11,939 recipes

    Shared aroma: beta-damascenone (apple, rose).

  5. Lemon + brandytop 23% of all pairs
    Smell alikelow
    Cooked together5,351 recipes

    Shared aroma: linalool (floral, citrus).

Sugar and lemon barely smell alike, yet cooks put them together in 53,532 recipes: they work on texture and structure more than aroma.

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Garden rhubarb
Provides the main bulk and tart flavor of the marmalade.
Sugar
Sweetens the marmalade and, with the fruit's acid, helps it set into a gel.
Lemon
Adds acidity that brightens the flavor and supports gel formation.

The step that matters

Boil until it jellies. Sugar, acid and fruit pectin form a gel only at the right concentration. Stopping too early leaves the marmalade runny, while boiling too long can scorch it and make it darker and stiffer.

Swap the rhubarb

How well each one fits the dish's main ingredients (sugar, lemon, brandy):

  1. Cinnamonfits better
  2. Nutmegfits better
  3. Gingerfits better
  4. Rhubarbthe original

Fit is the average pairing score against sugar, lemon, brandy. Candidates are from the same food group and used in at least 100 recipes.

“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.

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